Faucaria nemorosa L.Bolus ex L.E.Groen
Grove Tiger Jaws / Forest Tiger Jaws
Faucaria nemorosa, the "grove tiger jaws," is the Faucaria with the most unusual habitat within the genus: the epithet "nemorosa" (of groves or woodlands) suggests it thrives under partial shade or in the understory of Albany Thicket scrub, unlike its congeners that prefer open exposures. Its leaves tend to be darker green, possibly as an adaptation to lower light conditions.
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Overview
| Category | Classification |
|---|---|
| Family | Aizoaceae |
| Genus | Faucaria |
| Growth Habit | Compact rosette; presumed to tolerate partial shade better than other Faucaria given its epithet and described habitat. |
| Conservation Status | Data insufficient; Albany Thicket as general habitat. Precise conservation classification not available in widely accessible sources. |
| pH Target | 6.0 – 7.0 |
| Type | Albany Thicket with somewhat more organic matter than open Karoo; clay-sandy, well-drained but not extremely arid. |
Origin & Habitat
Morphology
Leaves 3–5 cm long, dark green, with marginal teeth typical of the genus though possibly somewhat less prominent; light white spotting. The darker green color is the most commonly cited character to differentiate it from other Faucaria.
ecoShort and branched; standard Faucaria genus structure.
ecoYellow flowers with typical genus pattern; estimated size 3–5 cm. Autumn flowering.
ecoFibrous roots; given the woodland understory habitat, possibly better adapted to soils with somewhat more organic matter.
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Requirements
Soil & Substrate
Type
Albany Thicket with somewhat more organic matter than open Karoo; clay-sandy, well-drained but not extremely arid.
groups Beneficial Associations
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Propagation Strategy
- 1 Harvest ripe seeds in autumn.
- 2 Sow on fine mineral mix at 18–22 °C with day/night temperature variation.
- 3 Moisten regularly with a mister; germination in 10–21 days.
- 4 Keep seedlings with slightly more moisture than other Faucaria given its more forested origin.
- 1 Divide in autumn; F. nemorosa can tolerate slightly more moisture than other species of the genus.
- 2 Separate heads with their own roots using a scalpel.
- 3 Callus for 2 days and plant in a slightly richer mix than for other Faucaria (add 10% humus).
- 4 Water after 5–7 days.
F. nemorosa is of forest origin: it can tolerate light shade and slightly more moisture than open-karoo species.
Treating it exactly like other open-karoo Faucaria and depriving it of all light and moisture.
Every 2–3 years in autumn.
Balanced fertilizer at 50% monthly from October to March. No fertilization in summer.
Uses & Applications
Precautions / Toxicity
Not toxic; consistent with genus profile.
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"The unusual reference to a woodland habitat in F. nemorosa's name makes it a subject of particular research interest: it is the only Faucaria that appears to have evolved toward reduced-light conditions, potentially representing an ecological speciation event within the genus."
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Scientific Integrity
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Sources
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Discussion
Disclaimer
This species record is provided for educational and informational purposes only. Jardín Roca Negra does not guarantee the accuracy or completeness of the data. Content is community-curated and may be subject to revision; it should not replace advice from a qualified botanist. This species may be toxic, invasive, or subject to legal restrictions — verify before handling or cultivating. Jardín Roca Negra accepts no liability for any harm arising from reliance on this information. Images are reproduced under Creative Commons or equivalent free licenses; credits are noted below each image.